#ifndef PILHA_HEADER
#define PILHA_HEADER

#include "stdlib.h"
#include "stdio.h"


typedef struct stack_node {

	char * content;

	struct stack_node *next;
} Stack;

void push_stack(Stack ** head, char * c);

char * pop_stack(Stack ** head);

char * consulta_pilha(Stack * head);

int is_stack_empty(Stack * head);

#endif
